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Finding the Fourth Proportional to 322,851.60, 484,277.40 and 265,770.90

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Solution

The fourth proportional to 322,851.60, 484,277.40 and 265,770.90 is: 398,656.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,851.60 : 484,277.40 = 265,770.90 : x
  2. Step 2: Convert to fraction form
    322,851.60/484,277.40 = 265,770.90/x
  3. Step 3: Cross multiply
    322,851.60x = 484,277.40 × 265,770.90
  4. Step 4: Simplify right side
    322,851.60x = 128,706,840,447.66
  5. Step 5: Solve for x
    x = 128,706,840,447.66/322,851.60
  6. Step 6: Final answer
    x = 398,656.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.